Upgrade toolchain pants plugin (#11451)
Upgrade toolchain pants plugin (#11451)

This version of the plugin adds a plugin that allows dumping historgram data to the log (see https://github.com/pantsbuild/pants/pull/11185)
It also improves handling of failed auth scenarions.

[ci skip-rust]
pantsbuild/pants,benjyw/pants,pantsbuild/pants,pantsbuild/pants,pantsbuild/pants,benjyw/pants,benjyw/pants,benjyw/pants,jsirois/pants,benjyw/pants,benjyw/pants,pantsbuild/pants,jsirois/pants,benjyw/pants,pantsbuild/pants,pantsbuild/pants,jsirois/pants